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February 4, 2016 18:22
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Animacoes no Android Part 1 - View Animation
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<?xml version="1.0" encoding="utf-8"?> | |
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" | |
xmlns:tools="http://schemas.android.com/tools" | |
android:layout_width="match_parent" | |
android:layout_height="match_parent" | |
android:orientation="vertical" | |
android:paddingBottom="@dimen/activity_vertical_margin" | |
android:paddingLeft="@dimen/activity_horizontal_margin" | |
android:paddingRight="@dimen/activity_horizontal_margin" | |
android:paddingTop="@dimen/activity_vertical_margin" | |
tools:context="app.demo.blog.animacoes.MainActivity"> | |
<Button | |
android:id="@+id/fade" | |
android:layout_width="wrap_content" | |
android:layout_height="wrap_content" | |
android:text="Fade" | |
android:onClick="onClick" | |
/> | |
<Button | |
android:id="@+id/scale" | |
android:layout_width="wrap_content" | |
android:layout_height="wrap_content" | |
android:text="Scale" | |
android:onClick="onClick" | |
/> | |
<Button | |
android:id="@+id/rotate" | |
android:layout_width="wrap_content" | |
android:layout_height="wrap_content" | |
android:text="Rotate" | |
android:onClick="onClick" | |
/> | |
<Button | |
android:id="@+id/translatex" | |
android:layout_width="wrap_content" | |
android:layout_height="wrap_content" | |
android:text="Translate X" | |
android:onClick="onClick" | |
/> | |
<Button | |
android:id="@+id/translatey" | |
android:layout_width="wrap_content" | |
android:layout_height="wrap_content" | |
android:text="Translate Y" | |
android:onClick="onClick" | |
/> | |
</LinearLayout> |
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<?xml version="1.0" encoding="utf-8"?> | |
<alpha xmlns:android="http://schemas.android.com/apk/res/android" | |
android:fromAlpha="1" | |
android:toAlpha="0" | |
android:duration="500" | |
> | |
</alpha> |
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package app.demo.blog.animacoes; | |
import android.support.v7.app.AppCompatActivity; | |
import android.os.Bundle; | |
import android.view.View; | |
import android.view.animation.AlphaAnimation; | |
import android.view.animation.Animation; | |
import android.view.animation.AnimationUtils; | |
public class MainActivity extends AppCompatActivity { | |
@Override | |
protected void onCreate(Bundle savedInstanceState) { | |
super.onCreate(savedInstanceState); | |
setContentView(R.layout.activity_main); | |
} | |
public void onClick(View view){ | |
switch(view.getId()){ | |
case R.id.fade:{ | |
runAnimationFromXml(view,R.anim.fade_animation); | |
break; | |
} | |
case R.id.scale:{ | |
runAnimationFromXml(view,R.anim.scale_animation); | |
break; | |
} | |
case R.id.rotate:{ | |
runAnimationFromXml(view,R.anim.rotate_animation); | |
break; | |
} | |
case R.id.translatex:{ | |
runAnimationFromXml(view,R.anim.translatex_animation); | |
break; | |
} | |
case R.id.translatey:{ | |
runAnimationFromXml(view,R.anim.translatey_animation); | |
break; | |
} | |
} | |
} | |
public void runAnimationFromXml(View view, int animResId){ | |
Animation animation = AnimationUtils.loadAnimation(this,animResId); | |
view.startAnimation(animation); | |
} | |
} |
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<?xml version="1.0" encoding="utf-8"?> | |
<rotate xmlns:android="http://schemas.android.com/apk/res/android" | |
android:fromDegrees="0" | |
android:toDegrees="360" | |
android:duration="700" | |
> | |
</rotate> |
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<?xml version="1.0" encoding="utf-8"?> | |
<scale xmlns:android="http://schemas.android.com/apk/res/android" | |
android:fromXScale="0dp" | |
android:fromYScale="0dp" | |
android:toXScale="100dp" | |
android:toYScale="100dp" | |
android:duration="700" | |
> | |
</scale> |
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<?xml version="1.0" encoding="utf-8"?> | |
<translate xmlns:android="http://schemas.android.com/apk/res/android" | |
android:interpolator="@android:interpolator/accelerate_cubic" | |
android:fromXDelta="0" | |
android:toXDelta="400" | |
android:duration="500" | |
> | |
</translate> |
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<?xml version="1.0" encoding="utf-8"?> | |
<translate xmlns:android="http://schemas.android.com/apk/res/android" | |
android:fromYDelta="0" | |
android:toYDelta="100" | |
android:duration="700" | |
> | |
</translate> |
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