1. Audio Knob View for controlling Volume, Adjustment Knob Widget, Meter View

Canvas/app/src/main/java/com/dotrinh/canvas/draw_arc/draw_knob/DrawKnobActivity.java

Ez to use

 MyKnob myKnob = findViewById(R.id.knob_1);
 myKnob.relative_size = (int) convertDpToPx(70);
 myKnob.current_content = MyKnob.CONTENT_TYPE.TEXT_ONLY;
 MyKnob myKnob2 = findViewById(R.id.knob_2);
 myKnob2.relative_size = (int) convertDpToPx(70);
 myKnob2.center_bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.verified);
 myKnob2.current_content = MyKnob.CONTENT_TYPE.IMG_ONLY;
 MyKnob myKnob3 = findViewById(R.id.knob_3);
 myKnob3.relative_size = (int) convertDpToPx(70);
 myKnob3.left_bmp = BitmapFactory.decodeResource(getResources(), R.drawable.editampnote);
 myKnob3.current_content = MyKnob.CONTENT_TYPE.IMG_AND_TEXT;

2. Circular progress

Canvas/app/src/main/java/com/dotrinh/canvas/circle_progress/CPActivity.java

3. Draw Lines (Wave)

Canvas/app/src/main/java/com/dotrinh/canvas/draw_lines/MyDrawLine.java

4. Draw Texts (Vertical - Horizontal)

Canvas/app/src/main/java/com/dotrinh/canvas/draw_text/DrawTextActivity.java

Japanese Texts

License

@dotrinh