我有四个具有不同背景的EditText。 它看起来像这样: 使用某些动画在运行时更改EditText高度和宽度
我要当与EditText上选择了的EditText覆盖整个屏幕。为此,我需要在运行时使用一些动画来更改EditText的宽度和高度。
当选择它应该是这样的:
我怎样才能改变大小的EditText上运行动画?
我有四个具有不同背景的EditText。 它看起来像这样: 使用某些动画在运行时更改EditText高度和宽度
我要当与EditText上选择了的EditText覆盖整个屏幕。为此,我需要在运行时使用一些动画来更改EditText的宽度和高度。
当选择它应该是这样的:
我怎样才能改变大小的EditText上运行动画?
我不确定是否可以用Animations
完成。在android视图在动画完成之前占用所有空间,因此您会看到其他editTexts消失并且选择了一个缓慢增加。下面是粗糙的例子,如何做才不至于非标准的动画,但在单独的线程改变权重:
布局:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<LinearLayout
android:id="@+id/ll0"
android:layout_width="fill_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:orientation="horizontal" >
<EditText
android:id="@+id/et00"
android:layout_width="0dp"
android:layout_height="fill_parent"
android:layout_weight="1"
android:gravity="top|left"
android:text="00" />
<EditText
android:id="@+id/et01"
android:layout_width="0dp"
android:layout_height="fill_parent"
android:layout_weight="1"
android:gravity="top|left"
android:text="01" />
</LinearLayout>
<LinearLayout
android:id="@+id/ll1"
android:layout_width="fill_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:orientation="horizontal" >
<EditText
android:id="@+id/et10"
android:layout_width="0dp"
android:layout_height="fill_parent"
android:layout_weight="1"
android:gravity="top|left"
android:text="10" />
<EditText
android:id="@+id/et11"
android:layout_width="0dp"
android:layout_height="fill_parent"
android:layout_weight="1"
android:gravity="top|left"
android:text="11" />
</LinearLayout>
</LinearLayout>
,并在代码中添加关于改变重点行动:
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
OnFocusChangeListener focusListener = new OnFocusChangeListener() {
@Override
public void onFocusChange(View v, boolean hasFocus) {
if (hasFocus) {
LinearLayout parent = (LinearLayout) v.getParent();
EditText forDecresing = null;
for (int i = 0; i < parent.getChildCount(); i++) {
if (parent.getChildAt(i) != v) {
forDecresing = (EditText) parent.getChildAt(i);
break;
}
}
LinearLayout pp = (LinearLayout) parent.getParent();
LinearLayout layoutForDecreasing = null;
for (int i = 0; i < pp.getChildCount(); i++) {
if (pp.getChildAt(i) != parent && pp.getChildAt(i) instanceof LinearLayout) {
layoutForDecreasing = (LinearLayout) pp.getChildAt(i);
break;
}
}
startAnimation((EditText) v, forDecresing, layoutForDecreasing, parent);
} else {
}
}
};
((EditText) findViewById(R.id.et00)).setOnFocusChangeListener(focusListener);
((EditText) findViewById(R.id.et01)).setOnFocusChangeListener(focusListener);
((EditText) findViewById(R.id.et11)).setOnFocusChangeListener(focusListener);
((EditText) findViewById(R.id.et10)).setOnFocusChangeListener(focusListener);
}
public void onBackPressed() {
setWeight(findViewById(R.id.et00), 1);
setWeight(findViewById(R.id.et01), 1);
setWeight(findViewById(R.id.et11), 1);
setWeight(findViewById(R.id.et10), 1);
setWeight(findViewById(R.id.ll1), 1);
setWeight(findViewById(R.id.ll0), 1);
}
Thread animationThread;
private void startAnimation(final EditText forIncreasing, final EditText forDecresing, final LinearLayout layoutForDecreasing,
final LinearLayout layoutForIncreasing) {
if (animationThread != null)
animationThread.interrupt();
animationThread = new Thread(new Runnable() {
@Override
public void run() {
int iterations = 0;
int maxIterations = 30;
setWeight(forIncreasing, maxIterations - 1);
setWeight(layoutForIncreasing, maxIterations - 1);
setWeight(forDecresing, maxIterations - 1);
setWeight(layoutForDecreasing, maxIterations - 1);
while (iterations < maxIterations) {
iterations++;
setWeight(forIncreasing, maxIterations - 1 + iterations);
setWeight(layoutForIncreasing, maxIterations - 1 + iterations);
setWeight(forDecresing, maxIterations - 1 - iterations);
setWeight(layoutForDecreasing, maxIterations - 1 - iterations);
try {
Thread.sleep(10);
} catch (InterruptedException e) {
return;
}
}
animationThread = null;
}
});
animationThread.start();
}
private void setWeight(final View view, final float weight) {
runOnUiThread(new Runnable() {
@Override
public void run() {
LayoutParams params = (LayoutParams) view.getLayoutParams();
params.weight = weight;
view.setLayoutParams(params);
}
});
}
我做不知道这对你是否可行,但在这个例子中,你可以添加更多的动作很容易。
我做不是推荐使用它的生产,如果只有你有其他一些选择。
看到我编辑的答案 – Jin35 2012-03-01 19:19:37
我试图解释我的逻辑你的问题...我希望因此它会为你工作..
EditText editText = new EditText(this);
editText.setOnClickListener(new OnClickListener() {
public void onClick(){
// Before getSize was introduced (in API level 13), you could use
// the getWidth and getHeight methods that are now deprecated:
Display display = getWindowManager().getDefaultDisplay();
int width = display.getWidth();
int height = display.getHeight();
editText.setWidth(width);
editText.setHeight(height);
}
}
这就是我认识的亲爱的朋友......我很抱歉,我可以帮你改进....但仍然....你尝试用这个动画的概念......这是正确的方式在运行时更改大小,也会有助于更改动画的大小... – 2012-03-01 09:17:33
答案更新:
使用此代码绘制/animation_sample.xml
<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android" android:shareInterpolator="false">
<translate android:fromXDelta="0%" android:toXDelta="100%" android:fromYDelta="0%" android:toYDelta="0%" android:duration="500" />
并采用设置动画编辑文本:
Animation anim=AnimationUtils.loadAnimation(this, R.anim.righttoleft);
editText = (EditText)findViewById(R.id.editText1);
Display display = getWindowManager().getDefaultDisplay();
int width=display.getWidth();
int height = display.getHeight();
editText.setWidth(width);
editText.setHeight(height);
editText.startAnimation(anim);
所以,你需要使用动画使EditText上占据布局的填充父请求时,它集中。对? – 2012-03-01 10:56:45
@Raman yes.I've你的答案,但事实并非如此。 – asish 2012-03-01 11:29:42