目前我正在开发android应用程序，但它一直在强制关闭。我将发布我所做的代码。testproject gui 只是一个简单的按钮。当我单击按钮时，它应该进入相机类。但是，它强制关闭。我自己运行相机，它可以工作。：/
测试项目类：
package com.example.testproject;
import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
public class Testproject extends Activity {
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.menu);
Button bc;
bc = (Button)findViewById(R.id.btncamera);
bc.setOnClickListener(new OnClickListener(){
public void onClick(View v){
Intent intent = new Intent(Testproject.this, Camera.class);
startActivity(intent);
}
});
}
}
相机类：
package com.example.testproject;
import java.io.IOException;
import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.graphics.Bitmap;
import android.view.View;
import android.widget.Button;
import android.widget.ImageButton;
import android.widget.ImageView;
public class Camera extends Activity implements View.OnClickListener {
ImageButton ib;
Button b;
ImageView iv;
Intent i;
final static int cameraResults = 0;
Bitmap bmp;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.camera);
initialize();
}
public void initialize(){
iv = (ImageView) findViewById (R.id.ivReturnedPic);
ib = (ImageButton) findViewById (R.id.ibTakePic);
b = (Button) findViewById (R.id.bSetWall);
b.setOnClickListener(this);
ib.setOnClickListener(this);
}
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
switch (v.getId()){
case R.id.bSetWall:
try {
getApplicationContext().setWallpaper(bmp);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
break;
case R.id.ibTakePic:
i = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
startActivityForResult(i,cameraResults);
break;
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
// TODO Auto-generated method stub
super.onActivityResult(requestCode, resultCode, data);
if (resultCode == RESULT_OK){
Bundle extras = data.getExtras();
bmp = (Bitmap)extras.get("data");
iv.setImageBitmap(bmp);
}
}
}