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Commit 05f6714

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testing tutorials
1 parent ee3324f commit 05f6714

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‎README.md‎

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@@ -176,3 +176,40 @@ public class PassDataInActivityTest {
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}
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````
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#Tutorial 5
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Responding to external intents like gallery picks
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It's hard to control external apps as with device applications can have different views so it's not steady like your UI. in this condition what you can do is develop dependency injected code where you can mock the intents results or you can give result of intents in testing.
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Let's check without DI(Dependency Injection)
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-----------------
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For this you need to have espresso intents dependency in build.gradle file
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````
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androidTestCompile ('com.android.support.test.espresso:espresso-intents:2.2.2', {
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exclude group: 'com.android.support', module: 'support-annotations'
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})
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````
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excludes are important to exclude support libraries inside the espresso and use libs what you have included.
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Now after dependency added we can move on to the main course which is to mock the intent results.
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<br/>
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2 things to keep in mind is <kbd>intending</kbd> and <kbd>intended</kbd>
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1. Intending
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It is used for specifying Espresso that when unit test wants to open this type of intent please respond with intended result which i'm giving you to give.
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</br>
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2. Intended
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It is used to check if the event intended to open some activity or package? we can check that thing by this.
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```
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Intent resultData = new Intent(Intent.ACTION_PICK, android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
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resultData.setData(Uri.parse(("content://media/external/images/media/162")));
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Matcher<Intent> MediaPickIntent = allOf(hasAction(Intent.ACTION_PICK), hasData(android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI));
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Intents.init();
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intending(MediaPickIntent).respondWith(new Instrumentation.ActivityResult(Activity.RESULT_OK, resultData));
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```
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In above example we have action pick event matcher which gives espresso hint that i'm finding this intent and by initlizing the intent we are starting intent checks for every intents.
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while intending tells that when I intend to do respond with the intent i'm giving.

‎app/build.gradle‎

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@@ -33,4 +33,5 @@ dependencies {
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compile 'com.android.support:appcompat-v7:25.1.0'
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compile 'com.android.support.constraint:constraint-layout:1.0.0-beta1'
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testCompile 'junit:junit:4.12'
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compile 'com.github.bumptech.glide:glide:3.7.0'
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}
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package com.testingandroid.Tutorial5;
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import android.app.Activity;
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import android.app.Instrumentation;
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import android.content.Intent;
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import android.net.Uri;
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import android.support.test.espresso.intent.Intents;
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import android.support.test.rule.ActivityTestRule;
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import android.support.test.runner.AndroidJUnit4;
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import com.testingandroid.login.LoginActivity;
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import org.hamcrest.Matcher;
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import org.junit.Before;
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import org.junit.Rule;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import java.io.File;
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import static android.support.test.espresso.Espresso.onView;
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import static android.support.test.espresso.action.ViewActions.click;
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import static android.support.test.espresso.assertion.ViewAssertions.matches;
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import static android.support.test.espresso.intent.Intents.intended;
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import static android.support.test.espresso.intent.Intents.intending;
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import static android.support.test.espresso.intent.matcher.IntentMatchers.hasAction;
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import static android.support.test.espresso.intent.matcher.IntentMatchers.hasData;
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import static android.support.test.espresso.matcher.ViewMatchers.isDisplayed;
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import static android.support.test.espresso.matcher.ViewMatchers.withText;
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import static org.hamcrest.Matchers.allOf;
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@RunWith(AndroidJUnit4.class)
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public class GalleryPickerTesting {
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@Rule
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public ActivityTestRule<LoginActivity> mActivityTestRule = new ActivityTestRule<>(LoginActivity.class,true);
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@Before
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public void initThingsHere() {
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//do stuff like database or preference or image copying here
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}
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@Test
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public void checkTextOnScreen() {
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//to check view on screen
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Intent resultData = new Intent(Intent.ACTION_PICK, android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
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resultData.setData(Uri.parse(("content://media/external/images/media/162")));
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Matcher<Intent> MediaPickIntent = allOf(hasAction(Intent.ACTION_PICK), hasData(android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI));
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Intents.init();
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intending(MediaPickIntent).respondWith(new Instrumentation.ActivityResult(Activity.RESULT_OK, resultData));
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onView(withText("Gallery")).perform(click());
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onView(withText("gallery pick")).perform(click());
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intended(MediaPickIntent);
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try{
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Thread.sleep(4500);
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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}
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}

‎app/src/main/AndroidManifest.xml‎

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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="com.testingandroid">
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<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
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<application
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android:allowBackup="true"
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android:icon="@mipmap/ic_launcher"
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<category android:name="android.intent.category.LAUNCHER"/>
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</intent-filter>
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</activity>
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<activity android:name=".login.ImageFromGalleryActivity">
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</activity>
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</application>
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</manifest>
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package com.testingandroid.databindingadapter;
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import android.databinding.ObservableField;
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import android.widget.ImageView;
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import com.bumptech.glide.Glide;
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import com.testingandroid.R;
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/**
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* Created by Parth Dave on 16/3/17.
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* Spaceo Technologies Pvt Ltd.
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* parthd.spaceo@gmail.com
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*/
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public class DatabindingAdapter {
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@android.databinding.BindingAdapter("custom:imageFromFile")
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public static <T> void viewImage(ImageView view, ObservableField<T> filePath) {
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Glide.with(view.getContext()).load("file://" + filePath.get()).placeholder(R.drawable.ic_user_vector).error(R.drawable.ic_user_vector).into(view);
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}
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}
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package com.testingandroid.login;
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import android.content.Intent;
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import android.database.Cursor;
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import android.databinding.DataBindingUtil;
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import android.databinding.ObservableField;
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import android.net.Uri;
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import android.os.Bundle;
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import android.provider.MediaStore;
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import android.support.annotation.DrawableRes;
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import android.support.v7.app.AppCompatActivity;
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import android.view.View;
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import android.widget.EditText;
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import com.testingandroid.R;
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import com.testingandroid.databinding.ActivityGallerypickBinding;
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import com.testingandroid.databinding.ActivityLoginBinding;
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import com.testingandroid.model.LoginModel;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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public class ImageFromGalleryActivity extends AppCompatActivity {
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private ActivityGallerypickBinding activityLoginBinding;
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public ObservableField<String> imagePath = new ObservableField<>();
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private final int RC_IMAGE_GALLARY = 89;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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activityLoginBinding = DataBindingUtil.setContentView(this, R.layout.activity_gallerypick);
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activityLoginBinding.setImagePath(imagePath);
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}
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public void onGalleryPickClick(View view) {
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Intent iGetAvatar = new Intent(Intent.ACTION_PICK, MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
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startActivityForResult(iGetAvatar, RC_IMAGE_GALLARY);
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}
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@Override
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protected void onActivityResult(int requestCode, int resultCode, Intent data) {
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super.onActivityResult(requestCode, resultCode, data);
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if(requestCode==RC_IMAGE_GALLARY && resultCode==RESULT_OK){
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if (data == null)
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return;
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Uri uri = data.getData();
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if(uri==null)
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return;
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imagePath.set(getRealPathFromURI(uri));
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}
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}
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public String getRealPathFromURI (Uri contentUri) {
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String path = null;
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String[] proj = { MediaStore.MediaColumns.DATA };
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Cursor cursor = getContentResolver().query(contentUri, proj, null, null, null);
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if (cursor.moveToFirst()) {
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int column_index = cursor.getColumnIndexOrThrow(MediaStore.MediaColumns.DATA);
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path = cursor.getString(column_index);
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}
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cursor.close();
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return path;
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}
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}

‎app/src/main/java/com/testingandroid/login/LoginActivity.java‎

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package com.testingandroid.login;
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import android.content.Intent;
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import android.databinding.DataBindingUtil;
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import android.databinding.ObservableField;
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import android.support.annotation.DrawableRes;
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return false;
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}
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public void onGalleryPickClick(View view){
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startActivity(new Intent(this,ImageFromGalleryActivity.class));
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}
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}
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<vector
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xmlns:android="http://schemas.android.com/apk/res/android"
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android:width="22dp"
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android:height="22dp"
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android:alpha="1"
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android:viewportHeight="56"
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android:viewportWidth="56"
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>
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<path
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android:fillColor="#F07171"
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android:pathData="M26.953,0.004C12.32-0.246,0.254,11.414,0.004,26.047C-0.138,34.344,3.56,41.801,9.448,46.76
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c0.385-0.336,0.798-0.644,1.257-0.894l7.907-4.313c1.037-0.566,1.683-1.653,1.683-2.835v-3.24c0,0-2.321-2.776-3.206-6.633
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c-0.734-0.475-1.226-1.296-1.226-2.231v-3.546c0-0.78,0.347-1.477,0.886-1.965v-5.126c0,0-1.053-7.977,9.75-7.977
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s9.75,7.977,9.75,7.977v5.126c0.54,0.488,0.886,1.185,0.886,1.965v3.546c0,1.192-0.8,2.195-1.886,2.53
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c-0.605,1.881-1.478,3.674-2.632,5.304c-0.291,0.411-0.563,0.759-0.801,1.03V38.8c0,1.223,0.691,2.342,1.785,2.888l8.467,4.233
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c0.508,0.254,0.967,0.575,1.39,0.932c5.71-4.762,9.399-11.882,9.536-19.9C53.246,12.32,41.587,0.254,26.953,0.004z"
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android:strokeColor="#F07171"
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android:strokeLineCap="round"
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android:strokeLineJoin="round"
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android:strokeWidth="0.5"/>
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<path
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android:fillColor="#FFFFFF"
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android:pathData="M18.613,41.552l-7.907,4.313c-0.464,0.253-0.881,0.564-1.269,0.903C14.047,50.655,19.998,53,26.5,53
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c6.454,0,12.367-2.31,16.964-6.144c-0.424-0.358-0.884-0.68-1.394-0.934l-8.467-4.233c-1.094-0.547-1.785-1.665-1.785-2.888v-3.322
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c0.238-0.271,0.51-0.619,0.801-1.03c1.154-1.63,2.027-3.423,2.632-5.304c1.086-0.335,1.886-1.338,1.886-2.53v-3.546
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c0-0.78-0.347-1.477-0.886-1.965v-5.126c0,0,1.053-7.977-9.75-7.977s-9.75,7.977-9.75,7.977v5.126
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c-0.54,0.488-0.886,1.185-0.886,1.965v3.546c0,0.934,0.491,1.756,1.226,2.231c0.886,3.857,3.206,6.633,3.206,6.633v3.24
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C20.296,39.899,19.65,40.986,18.613,41.552z"
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android:strokeColor="#F07171"
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android:strokeLineCap="round"
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android:strokeLineJoin="round"
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android:strokeWidth="0.5"/>
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</vector>
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<?xml version="1.0" encoding="utf-8"?>
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<layout
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xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:app="http://schemas.android.com/apk/res-auto"
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xmlns:custom="http://schemas.android.com/apk/res-auto"
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xmlns:tools="http://schemas.android.com/tools">
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<data>
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<variable
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name="imagePath"
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type="android.databinding.ObservableField"/>
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</data>
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<LinearLayout
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android:id="@+id/clMainContainer"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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android:orientation="vertical">
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<ImageView
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android:id="@+id/imageView"
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android:layout_width="match_parent"
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android:layout_height="0dp"
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android:layout_marginBottom="8dp"
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android:layout_weight="1"
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custom:imageFromFile="@{imagePath}"
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app:layout_constraintBottom_toBottomOf="parent"
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app:layout_constraintTop_toTopOf="parent"/>
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<Button
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android:id="@+id/btnLoginButton"
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android:layout_width="130dp"
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android:layout_height="wrap_content"
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android:layout_gravity="center_horizontal"
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android:onClick="onGalleryPickClick"
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android:text="gallery pick"/>
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</LinearLayout>
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</layout>

‎app/src/main/res/layout/activity_login.xml‎

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app:layout_constraintTop_toBottomOf="@+id/edPassword"
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tools:layout_editor_absoluteX="127dp"/>
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<Button
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android:id="@+id/btnGalleryButton"
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android:layout_width="130dp"
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android:layout_height="0dp"
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android:layout_marginTop="56dp"
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android:text="Gallery"
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android:onClick="onGalleryPickClick"
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app:layout_constraintTop_toBottomOf="@+id/edPassword"
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tools:layout_editor_absoluteX="127dp"/>
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</android.support.constraint.ConstraintLayout>
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</layout>

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