Created
March 7, 2018 09:00
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| public class MainActivity extends AppCompatActivity { | |
| View layout2; | |
| private float screenWidth,screenHeight; | |
| @Override | |
| protected void onCreate(Bundle savedInstanceState) { | |
| super.onCreate(savedInstanceState); | |
| setContentView(R.layout.activity_main); | |
| // 隱藏ActionBar | |
| getSupportActionBar().hide(); | |
| // 取得手機螢幕尺寸 | |
| DisplayMetrics metrics = new DisplayMetrics(); | |
| getWindowManager().getDefaultDisplay().getMetrics(metrics); | |
| screenWidth = metrics.heightPixels; | |
| screenHeight = metrics.widthPixels; | |
| layout2 = findViewById(R.id.layout2); | |
| } | |
| //enter是設定在activity_layout.xml內Button的onClick欄位填入的名稱 | |
| public void leftbutton(View v){ | |
| AnimatorSet ans = new AnimatorSet(); | |
| ObjectAnimator[] oan = new ObjectAnimator[3]; | |
| // 移動Y軸，由原始位置移動screenWidth*0.45個位置 | |
| oan[0] = ObjectAnimator.ofFloat(layout2, "translationX", 0,-(screenWidth*0.45f)); | |
| // 縮放0.87倍 | |
| oan[1] = ObjectAnimator.ofFloat(layout2, "scaleX", 1f,0.87f); | |
| oan[2] = ObjectAnimator.ofFloat(layout2, "scaleY", 1f,0.87f); | |
| // 動畫波形 | |
| ans.setInterpolator(new AnticipateOvershootInterpolator()); | |
| ans.playTogether(oan); | |
| ans.setDuration(450); | |
| ans.start(); | |
| } | |
| public void rightbutton(View v){ | |
| AnimatorSet ans = new AnimatorSet(); | |
| ObjectAnimator[] oan = new ObjectAnimator[3]; | |
| oan[0] = ObjectAnimator.ofFloat(layout2, "translationX", -(screenWidth*0.45f),0); | |
| oan[1] = ObjectAnimator.ofFloat(layout2, "scaleX", 0.87f,1f); | |
| oan[2] = ObjectAnimator.ofFloat(layout2, "scaleY", 0.87f,1f); | |
| ans.setInterpolator(new AnticipateOvershootInterpolator()); | |
| ans.playTogether(oan); | |
| ans.setDuration(450); | |
| ans.start(); | |
| } | |
| } |
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