2F01-view-progress-bar-incremental

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是设置requestWindowFeature(Window.FEATURE_PROGRESS);

title显示为progress


/* * Copyright (C) 2007 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * *      http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */package com.example.android.apis.view;import com.example.android.apis.R;import android.app.Activity;import android.widget.Button;import android.widget.ProgressBar;import android.os.Bundle;import android.view.View;import android.view.Window;/** * Demonstrates how to use progress bars as widgets and in the title bar.  The progress bar * in the title will be shown until the progress is complete, at which point it fades away. */public class ProgressBar1 extends Activity {    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        // Request the progress bar to be shown in the title        requestWindowFeature(Window.FEATURE_PROGRESS);        setContentView(R.layout.progressbar_1);        setProgressBarVisibility(true);                final ProgressBar progressHorizontal = (ProgressBar) findViewById(R.id.progress_horizontal);        setProgress(progressHorizontal.getProgress() * 100);        setSecondaryProgress(progressHorizontal.getSecondaryProgress() * 100);                Button button = (Button) findViewById(R.id.increase);        button.setOnClickListener(new Button.OnClickListener() {            public void onClick(View v) {                progressHorizontal.incrementProgressBy(1);                // Title progress is in range 0..10000                setProgress(100 * progressHorizontal.getProgress());            }        });        button = (Button) findViewById(R.id.decrease);        button.setOnClickListener(new Button.OnClickListener() {            public void onClick(View v) {                progressHorizontal.incrementProgressBy(-1);                // Title progress is in range 0..10000                setProgress(100 * progressHorizontal.getProgress());            }        });        button = (Button) findViewById(R.id.increase_secondary);        button.setOnClickListener(new Button.OnClickListener() {            public void onClick(View v) {                progressHorizontal.incrementSecondaryProgressBy(1);                // Title progress is in range 0..10000                setSecondaryProgress(100 * progressHorizontal.getSecondaryProgress());            }        });        button = (Button) findViewById(R.id.decrease_secondary);        button.setOnClickListener(new Button.OnClickListener() {            public void onClick(View v) {                progressHorizontal.incrementSecondaryProgressBy(-1);                // Title progress is in range 0..10000                setSecondaryProgress(100 * progressHorizontal.getSecondaryProgress());            }        });            }}


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