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在我的活動中，我正在玩動畫..當我第一次開始活動時，所有的動畫都在玩給定的時間。但它是加快，當我重複每一個動畫更多的時間..這是我的活動....並在我的代碼我沒有提供所有對象和變量聲明，以減少代碼...爲什麼第一次運行後動畫加速？
公共類練習擴展活動{0}當第一次創建活動時調用。 */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.exercise);
exercise_Layout=(RelativeLayout)findViewById(R.id.exerciselayout);
exercise_Layout.setBackgroundResource(R.drawable.exercise_bg);
if(getIntent().getStringExtra("TIPS").equals("Fun"))
{
count=0;
System.out.println("This is Fun");
}
else if(getIntent().getStringExtra("TIPS").equals("Tips"))
{
count=1;
}
gym.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
exercise_Layout.setBackgroundResource(R.drawable.exercise_bg);
gym_View.setBackgroundResource(R.anim.gymanim);
gym_Animation=(AnimationDrawable)gym_View.getBackground();
gym_Animation.start();
//playing sounds
mp.reset();
mp=MediaPlayer.create(getApplicationContext(),R.raw.gym);
try {
mp.prepare();
} catch (IllegalStateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
mp.start();
mp.setLooping(true);
}
});
run.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
exercise_Layout.setBackgroundResource(R.drawable.exercise_bg);
run_View.setBackgroundResource(R.anim.runanim);
run_Animation=(AnimationDrawable)run_View.getBackground();
run_Animation.start();
//playing sounds
mp.reset();
mp=MediaPlayer.create(getApplicationContext(),R.raw.thread_music);
try {
mp.prepare();
} catch (IllegalStateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
mp.start();
mp.setLooping(true);
}
});
jogg.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
jogg_View.setBackgroundResource(R.anim.jogroadanim);
jogg_Animation=(AnimationDrawable)jogg_View.getBackground();
jogg_Animation.start();
//playing sounds
mp.reset();
mp=MediaPlayer.create(getApplicationContext(),R.raw.jogging);
try {
mp.prepare();
} catch (IllegalStateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
mp.start();
mp.setLooping(true);
}
});
swim.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
exercise_Layout.setBackgroundResource(R.drawable.swimingpool);
swim_View.setVisibility(View.VISIBLE);
swim_View.setBackgroundResource(R.anim.swimanim);
swim_Animation=(AnimationDrawable)swim_View.getBackground();
swim_Animation.start();
//playing sounds
mp.reset();
mp=MediaPlayer.create(getApplicationContext(),R.raw.swimming);
try {
mp.prepare();
} catch (IllegalStateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
mp.start();
mp.setLooping(true);
}
});
}