自定义ProgressDialog
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1.customprogressdialog.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center"
>
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/loadingImageView"
android:background="@anim/progress_round"
android:layout_marginRight="15dp" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/id_tv_loadingmsg"
android:layout_gravity="center_vertical"
android:textSize="18sp"
android:text="数据加载中..." />
</LinearLayout>
2.customprogressdialog.xml中用到的动画:progress_round.xml
<?xml version="1.0" encoding="utf-8"?>
<animation-list
xmlns:android="http://schemas.android.com/apk/res/android"
android:oneshot="false">
<item
android:drawable="@drawable/a"
android:duration="200" />
<item
android:drawable="@drawable/b"
android:duration="200" />
<item
android:drawable="@drawable/c"
android:duration="200" />
<item
android:drawable="@drawable/d"
android:duration="200" />
<item
android:drawable="@drawable/e"
android:duration="200" />
<item
android:drawable="@drawable/f"
android:duration="200" />
<item
android:drawable="@drawable/i"
android:duration="200" />
<item
android:drawable="@drawable/g"
android:duration="200" />
</animation-list>
3.自定义CustomProgressDialog
package cn.hjw;
import android.app.Dialog;
import android.content.Context;
import android.graphics.drawable.AnimationDrawable;
import android.view.Gravity;
import android.widget.ImageView;
import android.widget.TextView;
public class CustomProgressDialog extends Dialog {
private Context context = null;
private static CustomProgressDialog customProgressDialog = null;
public CustomProgressDialog(Context context) {
super(context);
this.context = context;
}
public CustomProgressDialog(Context context, int theme) {
super(context, theme);
}
public static CustomProgressDialog createDialog(Context context) {
customProgressDialog = new CustomProgressDialog(context,
R.style.CustomProgressDialog);
customProgressDialog.setContentView(R.layout.customprogressdialog);
customProgressDialog.getWindow().getAttributes().gravity = Gravity.CENTER;
return customProgressDialog;
}
public void onWindowFocusChanged(boolean hasFocus) {
if (customProgressDialog == null) {
return;
}
ImageView imageView = (ImageView) customProgressDialog
.findViewById(R.id.loadingImageView);
AnimationDrawable animationDrawable = (AnimationDrawable) imageView
.getBackground();
animationDrawable.start();
}
public CustomProgressDialog setTitile(String strTitle) {
return customProgressDialog;
}
/**
* setMessage 提示内容
*
* @param strMessage
*/
public CustomProgressDialog setMessage(String strMessage) {
TextView tvMsg = (TextView) customProgressDialog
.findViewById(R.id.id_tv_loadingmsg);
if (tvMsg != null) {
tvMsg.setText(strMessage);
}
return customProgressDialog;
}
}
4.在另一个类中应用CustomProgressDialog
MainFrame类
package cn.hjw;
import android.app.Activity;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.Window;
import android.view.WindowManager;
public class MainFrame extends Activity {
private MainFrameTask mMainFrameTask = null;
private CustomProgressDialog progressDialog = null;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
this.requestWindowFeature(Window.FEATURE_NO_TITLE);
this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
setContentView(R.layout.main);
mMainFrameTask = new MainFrameTask(this);
mMainFrameTask.execute();
}
@Override
protected void onDestroy() {
stopProgressDialog();
if (mMainFrameTask != null && !mMainFrameTask.isCancelled()) {
mMainFrameTask.cancel(true);
}
super.onDestroy();
}
private void startProgressDialog() {
if (progressDialog == null) {
progressDialog = CustomProgressDialog.createDialog(this);
progressDialog.setMessage("正在加载中...");
}
progressDialog.show();
}
private void stopProgressDialog() {
if (progressDialog != null) {
progressDialog.dismiss();
progressDialog = null;
}
}
public class MainFrameTask extends AsyncTask<Integer, String, Integer> {
private MainFrame mainFrame = null;
public MainFrameTask(MainFrame mainFrame) {
this.mainFrame = mainFrame;
}
@Override
protected void onCancelled() {
stopProgressDialog();
super.onCancelled();
}
@Override
protected Integer doInBackground(Integer... params) {
try {
Thread.sleep(10 * 1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
return null;
}
@Override
protected void onPreExecute() {
startProgressDialog();
}
@Override
protected void onPostExecute(Integer result) {
stopProgressDialog();
}
}
}
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